p-Tolyl 2-(4-bromophenyl)quinoline-4-carboxylate CAS 355433-72-6
| CAS No. | 355433-72-6 |
| Molecular Formula | C23H16BrNO2 |
| Molecular Weight | 418.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), p-Tolyl 2-(4-bromophenyl)quinoline-4-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
p-Tolyl 2-(4-bromophenyl)quinoline-4-carboxylate (CAS 355433-72-6) is a high-purity analytical reference standard with the molecular formula C23H16BrNO2 and a molecular weight of 418.28 g/mol.
Structurally, p-Tolyl 2-(4-bromophenyl)quinoline-4-carboxylate (C23H16BrNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 418.28 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C23H16BrNO2 |
| Molecular Weight | 418.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Bretazenil (CAS 84379-13-5)
- Glyoxal-bis(2,4-dinitrophenylhydrazone) (CAS 1177-16-8)
- Benzyl 2-(4-bromophenyl)quinoline-4-carboxylate (CAS 356086-97-0)
- (1-(tert-butoxycarbonyl)-5-((4,4-dimethoxypiperidin-1-yl)methyl)-1H-indol-2-yl)boronic acid (CAS 913388-69-9)
- (4-Isopropoxyphenyl)methanamine (CAS 21244-34-8)
- 4,5-Dimethyloctane (CAS 15869-96-2)
- 3-[2-(2,4-Dibromophenoxy)ethyl]piperidinehydrochloride (CAS 1219957-61-5)
- 1H-pyrazolo[4,3-c]pyridin-4-amine (CAS 1159829-57-8)
- Piperidin-1-yl(4-(piperidin-3-ylmethoxy)phenyl)methanone (CAS 1306739-61-6)
- 4-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-N-(3,4-dichlorophenyl)-1,4-diazepane-1-carboxamide (CAS 1024197-18-9)
- 1-(4-Chlorophenyl)-3-(dimethylamino)propan-1-one Hydrochloride (CAS 1798-83-0)
- 3-Phenyl-1H-pyrazole-4-carbaldehyde 3-Phenylpyrazole-4-carboxaldehyde 3-Phenyl-1h-pyrazole-4-carboxaldehyde 26033-20-5 (CAS 26033-20-5)
- (3S)-4-(Phenylmethyl)-3-morpholinemethanol (CAS 101376-25-4)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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